25552900

素因数分解:

$2^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 58121280

約数和(自身を除く): 32568380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 61, 71, 100, 118, 122, 142, 236, 244, 284, 295, 305, 355, 590, 610, 710, 1180, 1220, 1420, 1475, 1525, 1775, 2950, 3050, 3550, 3599, 4189, 4331, 5900, 6100, 7100, 7198, 8378, 8662, 14396, 16756, 17324, 17995, 20945, 21655, 35990, 41890, 43310, 71980, 83780, 86620, 89975, 104725, 108275, 179950, 209450, 216550, 255529, 359900, 418900, 433100, 511058, 1022116, 1277645, 2555290, 5110580, 6388225, 12776450, 25552900]

約数ペア:

[(1, 25552900), (2, 12776450), (4, 6388225), (5, 5110580), (10, 2555290), (20, 1277645), (25, 1022116), (50, 511058), (59, 433100), (61, 418900), (71, 359900), (100, 255529), (118, 216550), (122, 209450), (142, 179950), (236, 108275), (244, 104725), (284, 89975), (295, 86620), (305, 83780), (355, 71980), (590, 43310), (610, 41890), (710, 35990), (1180, 21655), (1220, 20945), (1420, 17995), (1475, 17324), (1525, 16756), (1775, 14396), (2950, 8662), (3050, 8378), (3550, 7198), (3599, 7100), (4189, 6100), (4331, 5900)]