25215678525

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{25171}}^1$

素因数の和:25259

約数の個数: 72

約数和(自身を含む): 45190586784

約数和(自身を除く): 19974908259

約数列:

[1, 3, 5, 15, 19, 25, 37, 57, 75, 95, 111, 185, 285, 361, 475, 555, 703, 925, 1083, 1425, 1805, 2109, 2775, 3515, 5415, 9025, 10545, 13357, 17575, 25171, 27075, 40071, 52725, 66785, 75513, 125855, 200355, 333925, 377565, 478249, 629275, 931327, 1001775, 1434747, 1887825, 2391245, 2793981, 4656635, 7173735, 9086731, 11956225, 13969905, 17695213, 23283175, 27260193, 35868675, 45433655, 53085639, 69849525, 88476065, 136300965, 227168275, 265428195, 336209047, 442380325, 681504825, 1008627141, 1327140975, 1681045235, 5043135705, 8405226175, 25215678525]

約数ペア:

[(1, 25215678525), (3, 8405226175), (5, 5043135705), (15, 1681045235), (19, 1327140975), (25, 1008627141), (37, 681504825), (57, 442380325), (75, 336209047), (95, 265428195), (111, 227168275), (185, 136300965), (285, 88476065), (361, 69849525), (475, 53085639), (555, 45433655), (703, 35868675), (925, 27260193), (1083, 23283175), (1425, 17695213), (1805, 13969905), (2109, 11956225), (2775, 9086731), (3515, 7173735), (5415, 4656635), (9025, 2793981), (10545, 2391245), (13357, 1887825), (17575, 1434747), (25171, 1001775), (27075, 931327), (40071, 629275), (52725, 478249), (66785, 377565), (75513, 333925), (125855, 200355)]