20005941250

素因数分解:

$2^1\times 5^4\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{4447}}^1$

素因数の和:4589

約数の個数: 80

約数和(自身を含む): 38768590080

約数和(自身を除く): 18762648830

約数列:

[1, 2, 5, 10, 25, 50, 59, 61, 118, 122, 125, 250, 295, 305, 590, 610, 625, 1250, 1475, 1525, 2950, 3050, 3599, 4447, 7198, 7375, 7625, 8894, 14750, 15250, 17995, 22235, 35990, 36875, 38125, 44470, 73750, 76250, 89975, 111175, 179950, 222350, 262373, 271267, 449875, 524746, 542534, 555875, 899750, 1111750, 1311865, 1356335, 2249375, 2623730, 2712670, 2779375, 4498750, 5558750, 6559325, 6781675, 13118650, 13563350, 16004753, 32009506, 32796625, 33908375, 65593250, 67816750, 80023765, 160047530, 163983125, 169541875, 327966250, 339083750, 400118825, 800237650, 2000594125, 4001188250, 10002970625, 20005941250]

約数ペア:

[(1, 20005941250), (2, 10002970625), (5, 4001188250), (10, 2000594125), (25, 800237650), (50, 400118825), (59, 339083750), (61, 327966250), (118, 169541875), (122, 163983125), (125, 160047530), (250, 80023765), (295, 67816750), (305, 65593250), (590, 33908375), (610, 32796625), (625, 32009506), (1250, 16004753), (1475, 13563350), (1525, 13118650), (2950, 6781675), (3050, 6559325), (3599, 5558750), (4447, 4498750), (7198, 2779375), (7375, 2712670), (7625, 2623730), (8894, 2249375), (14750, 1356335), (15250, 1311865), (17995, 1111750), (22235, 899750), (35990, 555875), (36875, 542534), (38125, 524746), (44470, 449875), (73750, 271267), (76250, 262373), (89975, 222350), (111175, 179950)]