40973320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 96215040

約数和(自身を除く): 55241720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 173, 191, 248, 310, 346, 382, 620, 692, 764, 865, 955, 1240, 1384, 1528, 1730, 1910, 3460, 3820, 5363, 5921, 6920, 7640, 10726, 11842, 21452, 23684, 26815, 29605, 33043, 42904, 47368, 53630, 59210, 66086, 107260, 118420, 132172, 165215, 214520, 236840, 264344, 330430, 660860, 1024333, 1321720, 2048666, 4097332, 5121665, 8194664, 10243330, 20486660, 40973320]

約数ペア:

[(1, 40973320), (2, 20486660), (4, 10243330), (5, 8194664), (8, 5121665), (10, 4097332), (20, 2048666), (31, 1321720), (40, 1024333), (62, 660860), (124, 330430), (155, 264344), (173, 236840), (191, 214520), (248, 165215), (310, 132172), (346, 118420), (382, 107260), (620, 66086), (692, 59210), (764, 53630), (865, 47368), (955, 42904), (1240, 33043), (1384, 29605), (1528, 26815), (1730, 23684), (1910, 21452), (3460, 11842), (3820, 10726), (5363, 7640), (5921, 6920)]