25912580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 59591448

約数和(自身を除く): 33678868

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 97, 148, 185, 190, 194, 361, 370, 380, 388, 485, 703, 722, 740, 970, 1406, 1444, 1805, 1843, 1940, 2812, 3515, 3589, 3610, 3686, 7030, 7178, 7220, 7372, 9215, 13357, 14060, 14356, 17945, 18430, 26714, 35017, 35890, 36860, 53428, 66785, 68191, 70034, 71780, 133570, 136382, 140068, 175085, 267140, 272764, 340955, 350170, 681910, 700340, 1295629, 1363820, 2591258, 5182516, 6478145, 12956290, 25912580]

約数ペア:

[(1, 25912580), (2, 12956290), (4, 6478145), (5, 5182516), (10, 2591258), (19, 1363820), (20, 1295629), (37, 700340), (38, 681910), (74, 350170), (76, 340955), (95, 272764), (97, 267140), (148, 175085), (185, 140068), (190, 136382), (194, 133570), (361, 71780), (370, 70034), (380, 68191), (388, 66785), (485, 53428), (703, 36860), (722, 35890), (740, 35017), (970, 26714), (1406, 18430), (1444, 17945), (1805, 14356), (1843, 14060), (1940, 13357), (2812, 9215), (3515, 7372), (3589, 7220), (3610, 7178), (3686, 7030)]