25302800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^2$

素因数の和:157

約数の個数: 90

約数和(自身を含む): 65438334

約数和(自身を除く): 40135534

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 61, 68, 80, 85, 100, 122, 136, 170, 200, 244, 272, 305, 340, 400, 425, 488, 610, 680, 850, 976, 1037, 1220, 1360, 1525, 1700, 2074, 2440, 3050, 3400, 3721, 4148, 4880, 5185, 6100, 6800, 7442, 8296, 10370, 12200, 14884, 16592, 18605, 20740, 24400, 25925, 29768, 37210, 41480, 51850, 59536, 63257, 74420, 82960, 93025, 103700, 126514, 148840, 186050, 207400, 253028, 297680, 316285, 372100, 414800, 506056, 632570, 744200, 1012112, 1265140, 1488400, 1581425, 2530280, 3162850, 5060560, 6325700, 12651400, 25302800]

約数ペア:

[(1, 25302800), (2, 12651400), (4, 6325700), (5, 5060560), (8, 3162850), (10, 2530280), (16, 1581425), (17, 1488400), (20, 1265140), (25, 1012112), (34, 744200), (40, 632570), (50, 506056), (61, 414800), (68, 372100), (80, 316285), (85, 297680), (100, 253028), (122, 207400), (136, 186050), (170, 148840), (200, 126514), (244, 103700), (272, 93025), (305, 82960), (340, 74420), (400, 63257), (425, 59536), (488, 51850), (610, 41480), (680, 37210), (850, 29768), (976, 25925), (1037, 24400), (1220, 20740), (1360, 18605), (1525, 16592), (1700, 14884), (2074, 12200), (2440, 10370), (3050, 8296), (3400, 7442), (3721, 6800), (4148, 6100), (4880, 5185)]