28058320225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1327}}^1$

素因数の和:1499

約数の個数: 96

約数和(自身を含む): 41082370560

約数和(自身を除く): 13024050335

約数列:

[1, 5, 13, 17, 25, 43, 65, 85, 89, 215, 221, 325, 425, 445, 559, 731, 1075, 1105, 1157, 1327, 1513, 2225, 2795, 3655, 3827, 5525, 5785, 6635, 7565, 9503, 13975, 17251, 18275, 19135, 19669, 22559, 28925, 33175, 37825, 47515, 49751, 57061, 65059, 86255, 95675, 98345, 112795, 118103, 237575, 248755, 285305, 293267, 325295, 431275, 491725, 563975, 590515, 741793, 845767, 970037, 1243775, 1426525, 1466335, 1535339, 1626475, 2007751, 2952575, 3708965, 4228835, 4850185, 5078429, 7331675, 7676695, 10038755, 12610481, 18544825, 21144175, 24250925, 25392145, 26100763, 38383475, 50193775, 63052405, 66019577, 86333293, 126960725, 130503815, 315262025, 330097885, 431666465, 652519075, 1122332809, 1650489425, 2158332325, 5611664045, 28058320225]

約数ペア:

[(1, 28058320225), (5, 5611664045), (13, 2158332325), (17, 1650489425), (25, 1122332809), (43, 652519075), (65, 431666465), (85, 330097885), (89, 315262025), (215, 130503815), (221, 126960725), (325, 86333293), (425, 66019577), (445, 63052405), (559, 50193775), (731, 38383475), (1075, 26100763), (1105, 25392145), (1157, 24250925), (1327, 21144175), (1513, 18544825), (2225, 12610481), (2795, 10038755), (3655, 7676695), (3827, 7331675), (5525, 5078429), (5785, 4850185), (6635, 4228835), (7565, 3708965), (9503, 2952575), (13975, 2007751), (17251, 1626475), (18275, 1535339), (19135, 1466335), (19669, 1426525), (22559, 1243775), (28925, 970037), (33175, 845767), (37825, 741793), (47515, 590515), (49751, 563975), (57061, 491725), (65059, 431275), (86255, 325295), (95675, 293267), (98345, 285305), (112795, 248755), (118103, 237575)]