15630640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3203}}^1$

素因数の和:3277

約数の個数: 40

約数和(自身を含む): 36948528

約数和(自身を除く): 21317888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 3203, 4880, 6406, 12812, 16015, 25624, 32030, 51248, 64060, 128120, 195383, 256240, 390766, 781532, 976915, 1563064, 1953830, 3126128, 3907660, 7815320, 15630640]

約数ペア:

[(1, 15630640), (2, 7815320), (4, 3907660), (5, 3126128), (8, 1953830), (10, 1563064), (16, 976915), (20, 781532), (40, 390766), (61, 256240), (80, 195383), (122, 128120), (244, 64060), (305, 51248), (488, 32030), (610, 25624), (976, 16015), (1220, 12812), (2440, 6406), (3203, 4880)]